EP 1316838 A1 20030604 - Semiconductor optical modulator
Title (en)
Semiconductor optical modulator
Title (de)
Optischer Halbleitermodulator
Title (fr)
Modulateur semiconducteur électro-optique
Publication
Application
Priority
EP 01310094 A 20011203
Abstract (en)
An electro absorption modulator in which the photocurrent generated by the absorption of light is monitored and the bias voltage applied to the electro absorption modulator is varied in order to vary the photocurrent and thence the extinction ratio of the electro absorption modulator. <IMAGE>
IPC 1-7
IPC 8 full level
G02F 1/01 (2006.01); G02F 1/015 (2006.01)
CPC (source: EP US)
G02F 1/0123 (2013.01 - EP US); G02F 1/0157 (2021.01 - EP US); G02F 2201/58 (2013.01 - EP US)
Citation (search report)
- [X] EP 0753782 A1 19970115 - NEC CORP [JP]
- [A] WO 8605598 A1 19860925 - AMERICAN TELEPHONE & TELEGRAPH [US]
- [A] US 4716449 A 19871229 - MILLER DAVID A B [US]
- [X] PATENT ABSTRACTS OF JAPAN vol. 1999, no. 05 31 May 1999 (1999-05-31)
- [X] PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10 31 October 1997 (1997-10-31)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1316838 A1 20030604; US 2003103255 A1 20030605; US 6717709 B2 20040406
DOCDB simple family (application)
EP 01310094 A 20011203; US 19793502 A 20020717